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Newton's Three Laws of Motion

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

According to Newton's first law of motion, a moving object that is not acted on by an unbalanced force will

a)

remain in motion

b)

eventually come to a stop

c)

accelerate in the absence of friction

2.

You sitting in a chair is an example of Newton's

a)

first and third laws

b)

second and third laws

c)

first and fourth laws

3.

Which of the following is an example of Newton's third law of motion?

a)

hitting a baseball with a bat

b)

sitting in a chair

c)

an apple falling from a tree

d)

they all are examples

4.

Inertia is used when explaining Newton's

a)

first law of motion

b)

second law of motion

c)

third law of motion

5.

When an airplane takes off, you tend to fall backward because of

a)

friction

b)

gravity

c)

inertia

6.

As an ice skater pushes harder with his leg muscles, he begins to move faster.

a)

Newton's first law

b)

Newton's second law

c)

Newton's third law

7.

When you paddle a canoe, the canoe goes forward.

a)

Newton's first law

b)

Newton's second law

c)

Newton's third law

8.

When you are standing up in a train, and the train suddenly stops, your body continues to go forward.

a)

Newton's first law

b)

Newton's second law

c)

Newton's third law

9.

After you start up your motorbike, as you give it more gas, it goes faster.

a)

Newton's first law

b)

Newton's second law

c)

Newton's third law

10.

When Bobby, age 5, and his dad are skipping pebbles on the pond, the pebbles that Bobby's dad throws go farther and faster then his.

a)

Newton's first law

b)

Newton's second law

c)

Newton's third law

11.

Action and reaction force pairs occur

a)

only when there is motion.

b)

only when there is no motion.

c)

whether there is motion or not.

12.

Who is the scientist who determined the laws of motion?

a)

Galileo

b)

Newton

c)

Einstein

13.

What is always required to overcome inertia?

a)

force of friction

b)

force of gravity

c)

unbalanced force

14.

An object at rest will remain at rest as long as the net force acting on it is

a)

positive

b)

zero

c)

strong

15.

Newton's first law of motion applies only to stationary objects.

a)

True

b)

False

16.

An object's acceleration depends on its mass and speed.

a)

True

b)

False

17.

Newton's third law of motion describes how forces act in pairs.

a)

True

b)

False

18.

Newton's ___ law of motion is also know as the law of inertia.

a)

First

b)

Second

c)

Third

19.

Newton's ___ law of motion relates acceleration to force and mass.

a)

First

b)

Second

c)

Third

20.

Newton's third law of motion describes how forces act in pairs.

a)

True

b)

False